linux-kernel - Re: [PATCH net v2] net: dsa: tag_rtl4

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Message-ID: <CACRpkdZ-M5mSUeVNhdahQRpm+oA1zfFkq6kZEbpp=3sKjdV9jA@mail.gmail.com>
Date:   Tue, 31 Oct 2023 20:27:23 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Luiz Angelo Daros de Luca <luizluca@...il.com>
Cc:     Vladimir Oltean <olteanv@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2] net: dsa: tag_rtl4_a: Bump min packet size

On Tue, Oct 31, 2023 at 8:18 PM Luiz Angelo Daros de Luca
<luizluca@...il.com> wrote:

> > I don't have any other RTL8366RB systems than the D-Link DIR-685.
> >
> > I however have several systems with the same backing ethernet controller
> > connected directly to a PHY and they all work fine.
>
> Hi Linus,
>
> I ported TL-WR1043nd to DSA using RTL8366RB on OpenWrt main. Do you
> need some help testing the switch?

Yes!

> I just need to test ping with different sizes?

Yes try to ping the host from the router:

ping -s 1472 192.168.1.1 or so to send a 1500 byte ping packet,
which will be padded up to a 1518 byte ethernet frame and
1522 bytes from the conduit interface.

Then if it doesn't work, see if this patch solves the issue!

Yours,
Linus Walleij